21462584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 48111840

約数和(自身を除く): 26649256

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 73, 88, 104, 143, 146, 257, 286, 292, 514, 572, 584, 803, 949, 1028, 1144, 1606, 1898, 2056, 2827, 3212, 3341, 3796, 5654, 6424, 6682, 7592, 10439, 11308, 13364, 18761, 20878, 22616, 26728, 36751, 37522, 41756, 73502, 75044, 83512, 147004, 150088, 206371, 243893, 294008, 412742, 487786, 825484, 975572, 1650968, 1951144, 2682823, 5365646, 10731292, 21462584]

約数ペア:

[(1, 21462584), (2, 10731292), (4, 5365646), (8, 2682823), (11, 1951144), (13, 1650968), (22, 975572), (26, 825484), (44, 487786), (52, 412742), (73, 294008), (88, 243893), (104, 206371), (143, 150088), (146, 147004), (257, 83512), (286, 75044), (292, 73502), (514, 41756), (572, 37522), (584, 36751), (803, 26728), (949, 22616), (1028, 20878), (1144, 18761), (1606, 13364), (1898, 11308), (2056, 10439), (2827, 7592), (3212, 6682), (3341, 6424), (3796, 5654)]